trans-1,2-Dichloroethylene
Upper Deerfield Township Water Department
1,2-Dichloroethylene, a neurotoxic solvent, exists in two different forms: trans-1,2-dichloroethylene and cis-1,2-dichloroethylene. A mixture of the two forms is used to manufacture other solvents and chemical products.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 4 | 0 | ND |
2015 | ND | 5 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 2 | 0 | ND |
2019 | ND | 1 | 0 | ND |
ppb = parts per billion
State and national drinking water standards and health guidelines
EWG Health Guideline 60 ppb
The EWG Health Guideline of 60 ppb for trans-1,2-dichloroethylene was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to internal organs.
EPA Maximum Contaminant
Level (MCL) 100 ppb
The legal limit for trans-1,2-dichloroethylene, established in 1991, was based on a toxicity study in laboratory animals conducted in the 1980s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-01-10 | L4861550-5 | ND |
2014-04-04 | L4974892-8 | ND |
2014-07-11 | L5101806-5 | ND |
2014-10-03 | L5240148-11 | ND |
2015-01-02 | L5356702-7 | ND |
2015-01-02 | L5356702-11 | ND |
2015-04-01 | L5489208-5 | ND |
2015-07-10 | L5637566-3 | ND |
2015-10-02 | L5808077-6 | ND |
2016-01-08 | L5953980-3 | ND |
2017-04-04 | L6718683-3 | ND |
2018-02-06 | 3867948 | ND |
2018-02-06 | 3867784 | ND |
2019-01-03 | L7097014-1 | ND |